452 



PROCEEDINGS OF THE ACADEMY OF 



[June, 



and vertex little elevated, very slightly rounded, a slight median ridge 

 present; interocular width about half the proximal width of the fas- 

 tigium in the male, in the female about two-thirds; fastigium distinctly 

 broader than long, trigonal, arched, very slight median sulcus present, 

 fastigium when viewed laterad subrectangulate ; frontal costa gradualh^ 

 constricted dorsad and rather sharply pinched ventrad of the ocellus, 

 extending to the clypeal margin, sulcate throughout, more distinctly so 

 dorsad and rounding into the fastigium; face retreating; eyes subellip- 

 tical, slightly longer than the infra-ocular portion of the gence, moder- 

 ately prominent in the male ; antennae in the male slightly longer than 

 the head and pronotum, in the female distinctly shorter, slightly 

 depressed, more so in the female than in the male, and with distal por- 



Fig. 43. — Microtyloptenjx fusi/ormis n. sp. Lateral view of female type. 



tion somewhat enlarged. Pronotum somewhat elevated caudad, 

 tectate, the median carina distinct slightly sinuate caudad of the 

 middle, the caudal elcA^ation very distinct and compressed, lateral 

 carinse undeveloped but distinct sinuate angles as in M. hebardi are 

 present, the disk of the pronotimi when viewed dorsad being as narrow 

 a third the distance caudad as at the cephalic margin, regularly expand- 

 ing caudad; cephalic margin obtuse-angulate with the angle very 

 slightly emarginate; caudal margin emarginato-truncate, the emargina- 

 tion covering the whole width and being very shallow ; transverse sulci 

 two in number, the cephalic being placed median and subobsolete in the 

 female, metazona less than a third the length of the prozona; lateral 

 lobes slightly deeper than long, cephalic margin oblique, slightly sinu- 

 ato-emarginate, ventral margin emarginate cephalad, rounded caudad, 



